| Last Modified: 4-30-2014 | 6.6 D | Doc ID: RM000000W6Z00JX |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2006 MY LX470 [05/2005 - ] | ||
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- The ECM of this system is connected to the CAN and multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication system.
- *: Use the intelligent tester.
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
INSPECT BATTERY VOLTAGE |
Standard:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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4. |
CONNECT INTELLIGENT TESTER TO DLC3 * |
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5. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA * |
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6. |
VISUAL INSPECTION |
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7. |
SETTING CHECK MODE DIAGNOSIS * |
Refer to the CHECK MODE PROCEDURE
![2006 MY LX470 [05/2005 - ]; A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: CHECK MODE PROCEDURE](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: CHECK MODE PROCEDURE")
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8. |
PROBLEM SYMPTOM CONFIRMATION |
Refer to the ROAD TEST
.
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Result |
Proceed to |
|---|---|
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Symptom does not occur |
A |
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Symptom occurs |
B |
| B |
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GO TO STEP 10 |
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9. |
SYMPTOM SIMULATION |
Refer to the ELECTRONIC CIRCUIT INSPECTION PROCEDURE
.
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10. |
DTC CHECK * |
Refer to the DTC CHECK / CLEAR
.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
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GO TO STEP 19 |
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11. |
BASIC INSPECTION |
Refer to the AUTOMATIC TRANSMISSION FLUID
.
Refer to the PARK/NEUTRAL POSITION SWITCH
.
Refer to the FLOOR SHIFT ASSEMBLY
.
| NG |
|
GO TO STEP 21 |
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12. |
MECHANICAL SYSTEM TEST |
Refer to the MECHANICAL SYSTEM TEST
.
| NG |
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GO TO STEP 18 |
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13. |
HYDRAULIC TEST |
Refer to the HYDRAULIC TEST
.
| NG |
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GO TO STEP 18 |
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14. |
MANUAL SHIFTING TEST |
Refer to the MANUAL SHIFTING TEST
.
| NG |
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GO TO STEP 17 |
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15. |
PROBLEM SYMPTOMS TABLE CHAPTER 1 |
Refer to the PROBLEM SYMPTOMS TABLE
.
| NG |
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GO TO STEP 20 |
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16. |
PROBLEM SYMPTOMS TABLE CHAPTER 2 |
Refer to the PROBLEM SYMPTOMS TABLE
.
| NG |
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GO TO STEP 18 |
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17. |
PROBLEM SYMPTOMS TABLE CHAPTER 3 |
Refer to the PROBLEM SYMPTOMS TABLE
.
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18. |
PART INSPECTION |
| NG |
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GO TO STEP 21 |
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19. |
DTC CHART |
Refer to the DIAGNOSTIC TROUBLE CODE CHART
.
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20. |
CIRCUIT INSPECTION |
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21. |
REPAIR OR REPLACE |
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22. |
CONFIRMATION TEST |
| NEXT |
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END |
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